ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

winecoreaudio: Limit Wow64 buffer allocations to 32-bit addresses. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2022-04-25 07:58:36 +01:00 committed by Alexandre Julliard
parent ae296bf12f
commit c4682a0893
1 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
dlls/winecoreaudio.drv/coreaudio.c
View File

@ -615,6 +615,15 @@ static HRESULT ca_setup_audiounit(EDataFlow dataflow, AudioComponentInstance uni
return S_OK;
}
static ULONG_PTR zero_bits(void)
{
#ifdef _WIN64
return !NtCurrentTeb()->WowTebOffset ? 0 : 0x7fffffff;
#else
return 0;
#endif
}
static NTSTATUS create_stream(void *args)
{
struct create_stream_params *params = args;
@ -685,8 +694,8 @@ static NTSTATUS create_stream(void *args)
}
size = stream->bufsize_frames * stream->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, 0, &size,
MEM_COMMIT, PAGE_READWRITE)){
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, zero_bits(),
&size, MEM_COMMIT, PAGE_READWRITE)){
params->result = E_OUTOFMEMORY;
goto end;
}
@ -1371,7 +1380,7 @@ static NTSTATUS get_render_buffer(void *args)
stream->tmp_buffer = NULL;
}
size = params->frames * stream->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, 0,
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits(),
&size, MEM_COMMIT, PAGE_READWRITE)){
stream->tmp_buffer_frames = 0;
params->result = E_OUTOFMEMORY;
@ -1469,7 +1478,7 @@ static NTSTATUS get_capture_buffer(void *args)
chunk_bytes = chunk_frames * stream->fmt->nBlockAlign;
if(!stream->tmp_buffer){
size = stream->period_frames * stream->fmt->nBlockAlign;
NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, 0,
NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits(),
&size, MEM_COMMIT, PAGE_READWRITE);
}
*params->data = stream->tmp_buffer;